Ranunculus.] RANUNCULACE®. i 
608. Newberry, Pac. R. Rep. 6.65. Hook. f., Arct. Pl. 283 & 811. Chapman, 7. 
Pl. Bourgeau, 254. Lawson, Ranunc. Canad. 42. Boland. Cat. 3. 
Var. arcticus. Durand, Pl. Kane, 185. 
Var. ceespitosus. DC. Prodr. 1. 26. Hook. Fl. Bor.-Am. 1. 10; Lond. Jour. 
Bot. 6. 66. Torr. & Gray, Fl.1.16. Brew. & Wats. Bot. Calif. 1. 5. 
~ R. hydrocharis cespitosus. Hiern, 1. c. 100. 
Var. heterophyllus. DC. Prodr. 1. 26. Hook. Fl. Bor.-Am. 1. 10. Cooper, 
Pac. R. Rep. 12.55. Gray, Manual, 40. Wood, Bot. & Fl. 19. 
R. heterophyllus, Weber. Gray, Proc. Am. Acad. 8. 872. 
Var. Lobbii. 
R. hederaceus. Schlecht. Animad. Ranune: 1.7. Torrey, Pac. R. Rep. 4. 62. 
R. hydrocharis Lobbii. Hiern, 1. c. 66, t. 114. 
Var. stagnatilis. DC. Prodr. 1. 27. Hook. Fl. Bor.-Am. 1.10. Torr. & Gray, 
Fl. 1.16. Watson, King’s Rep. 5. 6. Porter, Hayd. Rep. 1871, 477; Fl. Col. 2. 
Coulter, Hayd. Rep. 759. 
R. aquatilis, var. divaricatus. Gray, Manual, 2 ed.7. Torrey, Mex. Bound. 29. 
R. divaricatus. Gray, Pl. Wright. 2. 8; Pac. R. Rep. 12. 40; Manual, 40. Torr. 
& Gray, Pac. R. Rep. 2. 125. Torrey, Pac. R. Rep. 4. 62. Porter, Hayd. Rep. 
1870, 472. 
R. hydrocharis longirostris. Hiern, 1. ce. 100. 
Var. trichophyllus. Gray, Manual, 40. Watson, King’s Rep. 5. 5. Porter, 
Hayd. Rep. 1871, 477; Fl. Col. 2. Coulter, Hayd. Rep. 1872, 759. 
R. fluviatilis. Pursh, 395. James, Long’s Exp. 1. 63. Bigel. Fl. Bost. 2 ed. 227. 
R. aquatilis, var. capillaceus. DC. Prodr. 1. 26. Torrey, Compend. 225 ; Nicol. 
Rep. 144. Schlecht. in Linn. 6. 576. Hook. Fl. Bor.-Am. 1. 10. Darling. Fl. 
Cestr. 827. Torr. & Gray, Fl. 1. 10. 
R. pantothrix. Elliott, 2. 56. 
R. aquatilis, var. brachypus. Hook. & Arn. Bot. Beechey, 316. Torr. & Gray, FI. 
1. 658. 
R. aquatilis, var. pantothrix. Ledeb. Fl. Ross. 1. 27. Hook. f., Arct. Pl. 311. 
R. hydrocharis trichophyllus, Hiern, 1. e. 101. 
Var. confervoides. 
Batrachium confervoides, Fries. Lange, Pl. Gronl. 128. 
R. hydrocharis confervoides. Hiern, 1. c. 102. 
Besides these, the following American forms are given by Hiern: 
R. hydrocharis hedereefolius, |. c. 67. i 
Drouetii, |. c. 102. (Oregon.) 
submersus, |. c. 102. (Boston.) 
R. auricomus, Linn. See syn. in DC. Syst. 1. 266; Schlecht. Animad. 2. 7; 
Ledeb. Fl. Ross. 1. 88; Regel & Til. Fl. Ajan. 31; Regel, Fl. Ost-Sib. 1.47; Traut- 
vetter in Trud. St. Pet. Bot. Cada, 1. 49.— Pursh, 898. DC. Prodr. 1. 383. Hook. 
in Trans. Linn. Soc. 14. 361. Torr. & Gray, Fl. 1. 17. Hook. f., Arct. Pl. 283 & 
312. 
Var. affinis. Lawson, Ranune. Canad. 37. 
R. affinis, R. Br.; q. v. 
R. Cassubicus, Linn. Schrank, Fl. Lab. 28. Schlecht. Animad. 2.7. Ledeb. 
Fl. Ross. 1. 88. Dietr. Syn. 3. 317. ; 
_R. auricomus, var. Cassubicus, Hagen. Meyer, Pl.*Lab. 96. 
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